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-rw-r--r--hw/acpi/piix4.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index 6404af5f33..e330f24c71 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -512,7 +512,7 @@ static void piix4_pm_realize(PCIDevice *dev, Error **errp)
pci_conf[0x90] = s->smb_io_base | 1;
pci_conf[0x91] = s->smb_io_base >> 8;
pci_conf[0xd2] = 0x09;
- pm_smbus_init(DEVICE(dev), &s->smb);
+ pm_smbus_init(DEVICE(dev), &s->smb, true);
memory_region_set_enabled(&s->smb.io, pci_conf[0xd2] & 1);
memory_region_add_subregion(pci_address_space_io(dev),
s->smb_io_base, &s->smb.io);